Electronics giant estimates operating profit declined 30 percent year-over-year.
The iPhone 6 and 6 Plus helped the company generate $16.2 billion, or 22 percent of its revenue, from China.
In its second quarter after acquiring Nokia, Microsoft is paying the price for layoffs even as its other divisions continue to grow.
The Chinese company beats analyst estimates with a 23 percent increase in net profit.
Sprint's core wireless brand and prepaid service continued to lose customers, though not as rapidly, amid a long network upgrade.
While iPad shipments took a dive in the first quarter, Apple still has a comfortable lead in the global PC market that includes tablets, laptops, and desktops. And Lenovo is gaining ground.
South Korean electronics giant records an operating profit of $487 million, an increase of 44 percent year-over-year.
The Internet's biggest radio service reported a narrower-than-predicted loss in the first quarter, but guidance -- damped by investments in its advertising abilities -- stoked investors to sell.
The first three months of 2014 proved fruitful for Facebook as it brought in $2.5 billion in total revenue with extra help from an audience of more than 1 billion people on mobile.